3A-DDC313-Quiz3

1. Wireless transmission refers to that the signal is contained within an enclosed physical path.

• True

• False

1. A wireless transmission media that is commonly used in TV remotes, wireless mouse, keyboard, and printer.

• Infrared waves

• 1. Radio waves

• 1. Microwaves

• 1. Ultraviolet waves

1. Unbound Transmission media are microwave, radio wave, and infrared.

• True

• False

1. It is also known as start/stop transmission that does not use a clock to match data between the source and destination.

• 0. Serial Transmission

• 0. Asynchronous Transmission

• 0. Parallel Transmission

• 0. Synchronous Transmission

1. Serial transmission is good for transmitting data over a longer distance.

• 0. True

• False

1. This form of guided media is not affected by the external magnetic field.

• 0. Twisted Pair

• 0. Fiber Optic

• 0. Coaxial

• 0. None of the choices

1. Parallel data transmission is practical for long-distance communication.

• 0. True

• False

1. It refers to loss of energy as signal transmits outwards.

• 1. Bandwidth

• 1. Noise

• 0. Attenuation

• 0. Radiation

1. Both synchronous and asynchronous transmissions are subclasses of parallel transmission.

• True

• False

1. They are also known as terrestrial networks.

• 0. P2P

• 0. Multicast

• 0. Unicast

• 0. Broadcast